Add 21/98 and 16/30
21/98 + 16/30 is 157/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
21/98 = 21 × 15/98 × 15 = 315/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
16/30 = 16 × 49/30 × 49 = 784/1470 - Add the two like fractions:
315/1470 + 784/1470 = 315 + 784/1470 = 1099/1470 - 1099/1470 simplified gives 157/210
- So, 21/98 + 16/30 = 157/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+16/30 21/98+32/30 21/98+16/60 63/98+16/30 21/98+48/30 21/98+16/90 21/98+80/30